JBL Tour One M3 Smart Tx / Sony LinkBuds Fit (WF-LS910N)

JBL Tour One M3 Smart Tx: JBLTOM3AVIBLKAM · black headphones with Smart Tx transmitter bundle

Sony LinkBuds Fit (WF-LS910N): LinkBuds Fit WF-LS910N in-ear true wireless earbuds; black, white, green and pink. The open-design LinkBuds Open (WF-L910) and the older LinkBuds S (WF-LS900N) are separate models.

SpecificationJBL Tour One M3 Smart TxSony LinkBuds Fit (WF-LS910N)
Release year20252024
Driver40 mm dynamic, mica dome JBL—
WeightHeadphones 278 g; transmitter 34.5 g JBL—
Headphone battery850 mAh, 3.85 V JBL—
Transmitter battery550 mAh, 3.85 V JBL—
Music playbackUp to 70 hours ANC off; 40 hours ANC on

Manufacturer test figures; volume, codec and features affect runtime.

JBL
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Transmitter runtimeUp to 18 hours JBL—
ChargingAround 2 hours empty to full; 5 V/1 A input JBL—
Noise controlTrue Adaptive Noise Cancelling 2.0; Ambient Aware and TalkThru JBL—
Audio connectionsBluetooth, USB-C digital and 3.5 mm analog source JBL—
CodecsSBC, AAC, LC3, LDAC; depends on source and connection mode JBL—
MultipointTwo simultaneous Bluetooth device connections JBL—
LE AudioUpdate 4.2.0 adds LE Audio Unicast support. JBL—
Bluetooth version contextLaunch sheet: 5.3; 4.2.0 notes report a profile update to 6.0.

The firmware note does not imply replacement radio hardware.

JBL
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Transmitter sharingAuracast; 3.9.0 adds standalone transmission to non-Auracast Bluetooth headphones JBL—
Sound tuning12-band EQ; Personi-Fi 3.0; left/right balance JBL—
Spatial audioJBL Spatial 360 and head tracking JBL—
MicrophonesFour beamforming call microphones JBL—
In the boxSmart Tx, carrying case, USB-C/USB-C and USB-C/3.5 mm cables, USB-A adapter JBL—
Driver and frequency—8.4 mm driver; closed type; 20–20,000 Hz over Bluetooth (44.1 kHz), 20–40,000 Hz with LDAC (96 kHz, 990 kbps) Sony
Noise cancelling—Active noise cancelling; Personal NC Optimiser; Ambient Sound Mode and Auto Ambient Sound

Personal NC Optimiser tunes cancellation to the ear shape and how the buds are worn. Auto Ambient Sound changes how much outside sound is let in depending on the surroundings.

Sony
Bluetooth and codecs—Bluetooth 5.3; SBC, AAC, LDAC, LC3; A2DP, AVRCP, HFP, HSP, TMAP, CSIP, MCP, VCP, CCP

LC3 and profiles such as TMAP/CSIP are for Bluetooth LE Audio, enabling lower-power audio on compatible phones. LDAC is used on Android for high-bitrate streaming; iPhones use AAC.

Sony
Multipoint and processing—Multipoint connection (two devices); DSEE Extreme

DSEE Extreme tries to restore high-frequency detail lost in compressed music files.

Sony
Battery—Earbuds: up to 5.5 hours of music with ANC on and 8 hours off; up to 4 hours of calls; earbud charge about 2 hours, case charge about 3 hours (USB) Sony
Fit—Newly designed Fitting Supporters and ear tips

The soft supporter fin rests against the ear’s ridge to help keep the bud in place while moving.

Sony
Weight and durability—About 4.9 g each (with M tips); case about 41 g, 47.2 × 47.2 × 32.6 mm; IPX4

IPX4 means resistance to splashing water from any direction; it is not for submersion or swimming.

Sony